Homework Answers
Answer
12) The brakdown of Triglycerides to 3 fatty
acids and glycerol required 3 hydrolysis reactions -----
FALSE
- Triglycerides is broken down to 3 fatty acids and glycerol by one hydrolysis reaction.
- This reaction requires 3 water molecules.
- An enzyme such as lipase is required.
- Triglycerides are large fat molecules that are to be converted into fatty acids and glycerol for absorption in small intestine.
Option B) False
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12 megatom er rig en 12. The breakdown of Triglycerides to 3 fatty acids and glycerol...
16) enzymes called lipases can hydrolyze triglycerides into glycerol + 3 equivalents of fatty acids. How...
16) enzymes called lipases can hydrolyze triglycerides into glycerol + 3 equivalents of fatty acids. How does this affet entropy?
During lipolysis triglycerides are broken down and fatty acids and glycerol are released. Which of the...
During lipolysis triglycerides are broken down and fatty acids and glycerol are released. Which of the following functional groups does glycerol contain? Ketone Alcohol Carboxylic acid Aldehyde
Triglycerides can be broken down by hydrolysis reactions to glycerol and fatty acid chains in the...
Triglycerides can be broken down by hydrolysis reactions to glycerol and fatty acid chains in the digestive tract. Glycerol is easily converted to 1 phosphoglyceraldehyde also known as PGAL. Using your knowledge about how aerobic cellular respiration functions, explain how from this original glycerol molecule how many ATP’s are formed in this process. Make sure you include explanations where each ATP is made.
Model 1 - Two Digestive Enzymes lipase Triglycerides glycerol + fatty acids pepsin Large polypeptides smaller...
Model 1 - Two Digestive Enzymes lipase Triglycerides glycerol + fatty acids pepsin Large polypeptides smaller polypeptides + amino acids Effect of pH on Enzyme Activity Rate of reaction Pepsin (stomach) - -Lipase 0 2 4 6 8 10 12 pH 3. For each enzyme in Model 1, circle the pH that best represents the environment in which the enzyme is most active. Pepsin 1.5 10.4 Lipase 1.5 8 10.4
The complete hydrolysis of a glycerophospholipid gives glycerol products, two fatty acids (16: 2 ...
The complete hydrolysis of a glycerophospholipid gives glycerol products, two fatty acids (16: 2 Δ9.12 and 16: 3 Δ6.9.12), phosphoric acid and choline in an equimolar ratio. Draw the structure of this lipid.
3) Triglycerides are constructed with one molecule of glycerol forming three ester linkages with (three) long...
3) Triglycerides are constructed with one molecule of glycerol forming three ester linkages with (three) long chain fatty acids. Draw the structure of the triglyceride formed with Arachidonic acid, Linoleic acid, and a-Linolenic acid.
Question 1 (1 point) In this lab you will attempt to hydrolyze the triacylglycerols ("fat") found...
Question 1 (1 point) In this lab you will attempt to hydrolyze the triacylglycerols ("fat") found in milk. What are the expected products for this hydrolysis? triacylglcerol and fatty acids fatty acids and glycerol glycerol and water water and triglycerides Question 2 (1 point) In this lab you will attempt to hydrolyze the triacylglycerols ("fat") found in milk. If hydrolysis is successful, what will happen to the pH of the milk solution? pH will increase pH will decrease OpH will...
15. The process by which double-bonds in unsaturated fatty acids are converted to single bonds is...
15. The process by which double-bonds in unsaturated fatty acids are converted to single bonds is termed . The 16. Fatty acids are linked to glycerol by a reaction known as opposite chemical process is termed 17. True / False Micelles are lipid bilayers and differ from the phospholipid bilayer of cell membranes only in scale. 18. Triglycerides and even more so phospholipids contain a polar head and a nonpolar tail that results in dual polar-nonpolar nature. These compounds are...
12. Which of the following best describes the components of phospholipids? A) Glycerol, one fatty acid,...
12. Which of the following best describes the components of phospholipids? A) Glycerol, one fatty acid, two phosphate groups and an aminoalcohol B) Glycerol, two fatty acids, one phosphate group, and an aminoalcohol C) Sphingosine, two fatty acid, one phosphate group and an aminoalcohol D) Glycerol, three fatty acids, and a phosphate group 13. When ribose adopts the most stable cyclic structure hemiacetal, which of the following is happening? A. it becomes a furonose C. an acetal is formed B....
Question 5 (1 point) The six test tubes will be in a water bath for 40...
Question 5 (1 point) The six test tubes will be in a water bath for 40 minutes at what temperature range? 30-35 °C 35-40 °C O 30-40 °C 040-45 °C Question 1 (0.5 points) Whole milk contains more fat than skim milk. True False Question 2 (0.5 points) Whole milk, when hydrolyzed, can produce more fatty acids than skim milk can. True False Question 3 (0.5 points) Simple lipids can be hydrolyzed. True False Question 4 (0.5 points) Fatty acids...
16) enzymes called lipases can hydrolyze triglycerides into glycerol + 3 equivalents of fatty acids. How does this affet entropy?
During lipolysis triglycerides are broken down and fatty acids and glycerol are released. Which of the following functional groups does glycerol contain? Ketone Alcohol Carboxylic acid Aldehyde
Model 1 - Two Digestive Enzymes lipase Triglycerides glycerol + fatty acids pepsin Large polypeptides smaller polypeptides + amino acids Effect of pH on Enzyme Activity Rate of reaction Pepsin (stomach) - -Lipase 0 2 4 6 8 10 12 pH 3. For each enzyme in Model 1, circle the pH that best represents the environment in which the enzyme is most active. Pepsin 1.5 10.4 Lipase 1.5 8 10.4
3) Triglycerides are constructed with one molecule of glycerol forming three ester linkages with (three) long chain fatty acids. Draw the structure of the triglyceride formed with Arachidonic acid, Linoleic acid, and a-Linolenic acid.
Question 1 (1 point) In this lab you will attempt to hydrolyze the triacylglycerols ("fat") found in milk. What are the expected products for this hydrolysis? triacylglcerol and fatty acids fatty acids and glycerol glycerol and water water and triglycerides Question 2 (1 point) In this lab you will attempt to hydrolyze the triacylglycerols ("fat") found in milk. If hydrolysis is successful, what will happen to the pH of the milk solution? pH will increase pH will decrease OpH will...
15. The process by which double-bonds in unsaturated fatty acids are converted to single bonds is termed . The 16. Fatty acids are linked to glycerol by a reaction known as opposite chemical process is termed 17. True / False Micelles are lipid bilayers and differ from the phospholipid bilayer of cell membranes only in scale. 18. Triglycerides and even more so phospholipids contain a polar head and a nonpolar tail that results in dual polar-nonpolar nature. These compounds are...
12. Which of the following best describes the components of phospholipids? A) Glycerol, one fatty acid, two phosphate groups and an aminoalcohol B) Glycerol, two fatty acids, one phosphate group, and an aminoalcohol C) Sphingosine, two fatty acid, one phosphate group and an aminoalcohol D) Glycerol, three fatty acids, and a phosphate group 13. When ribose adopts the most stable cyclic structure hemiacetal, which of the following is happening? A. it becomes a furonose C. an acetal is formed B....
Question 5 (1 point) The six test tubes will be in a water bath for 40 minutes at what temperature range? 30-35 °C 35-40 °C O 30-40 °C 040-45 °C Question 1 (0.5 points) Whole milk contains more fat than skim milk. True False Question 2 (0.5 points) Whole milk, when hydrolyzed, can produce more fatty acids than skim milk can. True False Question 3 (0.5 points) Simple lipids can be hydrolyzed. True False Question 4 (0.5 points) Fatty acids...
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